<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			let name = "";
			let age = 20;
			let info = `My name is ${name},{age+1}years old next year.`
			console.log(info);
			//My name is Mike,I am 21 years old next year.
		</script>
	</body>
</html>
